Read the sentence from the section “The Law Of Conservation Of Mass."
In a physical chang...
Chemistry, 13.01.2021 17:30 Isactuallycarter99
Read the sentence from the section “The Law Of Conservation Of Mass."
In a physical change, a substance's physical properties may change, but its chemical makeup does not.
Which of the following words, if it replaced the word "properties" in the sentence above, would CHANGE the meaning of the sentence?
a. possessions
b. attributes
c. characteristics
d. qualities
Answers: 2
Chemistry, 21.06.2019 16:00
Nickel crystallizes in the face-centered cubic (fcc) lattice. the density of the metal is 8902 kg/m3. calculate the radius of a nickel atom.
Answers: 1
Chemistry, 21.06.2019 17:10
Abullet found at a crime scene may be used as evidence in a trial if the percentage of metals match to the composition of metals in a bullet from the suspect's ammunition. a forensic scientist's analysis of the bullet shows that it contains 11.9 g of lead, 0.5 g of tin, and 0.8 b of antimony. what is the percentage of lead metal in the bullet? express your answers to the one's place.
Answers: 2
Chemistry, 21.06.2019 18:30
Calculate the change in entropy if br2(l) is converted to br2(g). s° for br2(l) = 152.2 j/(mol•k) s° for br2(g) = 245.5 j/(mol•k) s° for br(g) = 175.0 j/(mol•k)
Answers: 3
Chemistry, 21.06.2019 19:00
Which of the following best explains why the end of a spoon sticking out of a cup of hot water also gets hot? question 7 options: the heat from the hot water is conducted through the spoon handle the hot water heats the air surrounding the upper part of the spoon. the hot water causes a physical change in the spoon handle. the hot water causes a chemical reaction to take place in the spoon.
Answers: 2
History, 28.06.2019 05:00
Mathematics, 28.06.2019 05:00
Mathematics, 28.06.2019 05:00
Mathematics, 28.06.2019 05:00
History, 28.06.2019 05:00
Mathematics, 28.06.2019 05:00
History, 28.06.2019 05:00